Here is EditArea, a free javascript editor for source code. It allow to write well formated source code with line numerotation, tab support, search & replace (with regexp) and live syntax highlighting (customizable).
Warning: this project is no more supported

The Struts/SourceForge site hosts sample applications and related components based on the Apache Struts Web application framework.
Disclaimer: This site is not affiliated with the Apache Software Foundation.

Our goal is to find out useful and funny ways for expanding the possibilities of many FOSS by integrating them with other FOSS and proprietary systems. You'll find here many open source plugins and extensions useful to put those FOSS hermits together.

Extension to Google's Web Toolkit (GWT) framework to provide support for the Google Maps API. This project is not sponsored by Google. If you are looking for Google's GWT you can find it's hosted at http://code.google.com/webtoolkit/.

Vexi is a rich GUI platform for creating desktop-like Internet or intranet applications using an intuitive XML/JavaScript API and an extensible widget set with themes, JSON support. Communicate with servers using XMLRPC/SOAP/REST and runs on Java.

The Shoutcast Control Panel is a project designed to create and control Shoutcast servers via mysql, php and apache. I have started this project because of the lack of open source control panels with useful functionality.

JUSH is a syntax highlighting component written in JavaScript. It highlights HTML, CSS, JS, PHP and SQL code embedded into each other. Beside syntax highlighting, it provides links to the documentation for all supported languages.

The Project wants to give a fast and well-designed solver for the famous sudoku-game with PHP/JavaScript based on the AJAX-technology. As a second step it is planned to implement a sudoku-generator too.

AJAX Micro Mini Library is a simplest library [ 2.8KB just ] to send data using post or get to an external fetch and send back the output ! Very user friendly and easy ! This pack comes with example PHP project to test

Full featured AJAX web based reporting system. Written in Java / JSP. Web based reports are dynamically generated from JDBC result sets. Connects to any JDBC compliant database, most drivers already included. The Apache Derby database is embeded.

The goal of SVG Foundry is to provide a set of tools and libraries to
simplify the creation and manipulation of SVG components both on the
server side, in java, and the client side, in JScript.
SVG Foundry will also provide basic SVG Components.

Strata is a collection of J2EE frameworks designed to help jumpstart any application. From mapping Relational Databases to definining logging services, Strata is an all encompassing set of frameworks to help put your project on solid ground. This project

WYMIWYG KnoBot is a content management system for the semantic web designed to promote the exchange of content with a P2P and reputation based system. The aim is to create a socio-topical space, a perspective dependent space of information and knowledge.